138157920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31981}}^1$

素因数の和:32005

約数の個数: 96

約数和(自身を含む): 483567840

約数和(自身を除く): 345409920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 31981, 63962, 95943, 127924, 159905, 191886, 255848, 287829, 319810, 383772, 479715, 511696, 575658, 639620, 767544, 863487, 959430, 1023392, 1151316, 1279240, 1439145, 1535088, 1726974, 1918860, 2302632, 2558480, 2878290, 3070176, 3453948, 3837720, 4317435, 4605264, 5116960, 5756580, 6907896, 7675440, 8634870, 9210528, 11513160, 13815792, 15350880, 17269740, 23026320, 27631584, 34539480, 46052640, 69078960, 138157920]

約数ペア:

[(1, 138157920), (2, 69078960), (3, 46052640), (4, 34539480), (5, 27631584), (6, 23026320), (8, 17269740), (9, 15350880), (10, 13815792), (12, 11513160), (15, 9210528), (16, 8634870), (18, 7675440), (20, 6907896), (24, 5756580), (27, 5116960), (30, 4605264), (32, 4317435), (36, 3837720), (40, 3453948), (45, 3070176), (48, 2878290), (54, 2558480), (60, 2302632), (72, 1918860), (80, 1726974), (90, 1535088), (96, 1439145), (108, 1279240), (120, 1151316), (135, 1023392), (144, 959430), (160, 863487), (180, 767544), (216, 639620), (240, 575658), (270, 511696), (288, 479715), (360, 383772), (432, 319810), (480, 287829), (540, 255848), (720, 191886), (864, 159905), (1080, 127924), (1440, 95943), (2160, 63962), (4320, 31981)]